[Dec 09, 2021] 1Z1-083 Practice Exam Dumps - 99% Marks In Oracle Exam
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NEW QUESTION 28
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)
- A. It provides before and after execution statistics for each SQL statement in the analysis task
- B. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
- C. It is integrated with the SQL Access Advisor.
- D. SQL statements that were originally run concurrently are run concurrently by SPA.
- E. It predicts the impact of system changes on SQL workload response time.
Answer: B,E
Explanation:
Reference:
https://www.oracle.com/technetwork/database/manageability/spa-ow09-131455.pdf (4)
NEW QUESTION 29
Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)
- A. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups.
- B. The Oracle Grid Infrastructure installation must be owned by the grid user.
- C. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.
- D. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries.
- E. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group.
- F. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances.
Answer: A,C
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/CWWIN/usrgrps.htm#CWWIN-GUID-6FD3C6AE-5A99-
4C6D-85D6-868CBA6F5DAE
NEW QUESTION 30
Which two are true about changing the LOCAL_UNDO_ENABLEDproperty to false in a CDB? (Choose two.)
- A. Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.
- B. After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.
- C. Undo tablespaces existing in PDBs must be dropped before the change.
- D. After the change, any user with the required privilege can create an undo tablespace in the PDBs.
- E. After the change, each existing PDB has to be reopened for the new undo mode to take effect.
- F. After the change, only one undo tablespace can exist in CDB$ROOT.
Answer: B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/creating-and-configuring-a- cdb.html#GUID-12ADA04D-F81D-4579-A68C-0958CC7D6C2F
NEW QUESTION 31
Which three are true about performing an Oracle Database install on Linux? (Choose three.)
- A. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- B. The runfixup.sh script can install missing RPMs.
- C. The Oracle database administrator must be granted access to the root operating system account to tun root privileged scripts.
- D. It allows you to select the languages supported by the Oracle database server.
- E. It can be done after installing Grid Infrastructure for a Standalone Server.
- F. The Oracle Preinstallation RPM can be used to configure the Oracle database installation owner, the Oracle Inventory group, and an Oracle administrative privileges group.
- G. It can be done before installing Grid Infrastructure for a Standalone Server.
Answer: C,D,F
NEW QUESTION 32
Which three methods can be used for heap table data migration after upgrading a database?
- A. using Oracle Data Pump
- B. using operating system file copy utilities
- C. using Database Upgrade Assistant
- D. using SQL Developer
- E. using Database Replay
- F. using the create table AS select SQL statement
Answer: C,D,E
NEW QUESTION 33
Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)
- A. A PDB snapshot depends on a storage snapshot which can be stored on any file system.
- B. A PDB snapshot is always a sparse copy of the source PDB.
- C. A PDB snapshot is always a full copy of the source PDB.
- D. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
- E. A snapshot copy PDB can be created from a stand-alone clone PDB.
- F. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
- G. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.
Answer: C,F
NEW QUESTION 34
Which three are true about Audit policies In container databases (CDBs)?
- A. A common unified audit policy can be created at the CDB level.
- B. Application-common unified audit policies defined In an application root must be manually synchronized by each application PDB contained in the application root.
- C. Fine-grained auditing policies defined in an application root must be manually synchronized by each application PDB contained in the application root.
- D. An application PDB cannot have a local audit policy.
- E. All audit records are written to the audit trail in CDB$ROOT
- F. A common unified audit policy can be created at the application root level.
Answer: B,C,D
NEW QUESTION 35
Which two are true about the character sets used in an Oracle database? (Choose two.)
- A. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).
- B. Single-byte character sets always use 8-bit encoding schemes.
- C. Single-byte character sets provide better performance than multibyte character sets.
- D. Single-byte character sets always use 7-bit encoding schemes.
- E. Unicode enables information from any language to be stored using a single character set.
- F. Multibyte character sets allow more efficient space utilization than single byte character sets.
Answer: C,E
Explanation:
Reference:
https://docs.oracle.com/database/121/NLSPG/ch2charset.htm#NLSPG166
NEW QUESTION 36
Which two are true about common objects? (Choose two.)
- A. They can exist in CDB$ROOTand an application root.
- B. They can exist in user-defined schemas only in application containers.
- C. They can be created only in an application root.
- D. They can be created only in CDB$ROOT.
- E. They can be only metadata-linked in an application container.
- F. They can be extended data-linked in CDB$ROOT.
Answer: C,F
Explanation:
Explanation/Reference: https://blog.toadworld.com/2017/08/01/oracle-multi-tenant-application-containers-part-iii-sharing-of- data-in-application-common-objects
NEW QUESTION 37
Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases? (Choose three.)
- A. The target PDB must be registered in a base catalog.
- B. The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.
- C. The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.
- D. The base catalog must be enabled for Virtual Private Catalog use.
- E. The target PDB must be registered in both the base catalog and the Virtual Private Catalog.
- F. The target PDB must be registered in a Virtual Private Catalog.
Answer: B,C,F
NEW QUESTION 38
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)
- A. A backup of the target database is always required.
- B. Duplication can be done by having the target database instance push copies to the auxiliary database instance.
- C. A connection to the target database instance is always required.
- D. A subset of the target database can be duplicated.
- E. A connection to an auxiliary instance is always required.
- F. A connection to the recovery catalog instance is always required.
- G. Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.
- H. A new DBID is always created for the duplicated database.
Answer: A,B,E,G
NEW QUESTION 39
Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)
- A. Data files can be converted on the source system.
- B. Data files can be converted on the destination system.
- C. By default, the transported database will use Oracle Managed Files (OMF)
- D. A new DBID is automatically created for the transported database.
- E. The password file is automatically converted by RMAN.
- F. Databases can be transported between systems with different endian formats.
Answer: A,B,F
Explanation:
Password file is automatically converted by RMAN.
NEW QUESTION 40
Which two are true about flashback features in Oracle Database 19c and later releases?
- A. Flashback logs are automatically purged when db_flashback_retention_target is set lower than the time they have already been retained.
- B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_flashback_retention_TARGET only after there is space pressure
- C. Flashback logs are automatically purged whenever the value
Of DB_FLASHBACK_RETENTION_TARGET is changed. - D. Flashback logs are monitored and proactively deleted when beyond the retention period defined in db_flashback_retention_target before there is space pressure.
- E. Flashback logs are monitored for being older than the retention period defined in db_flashback_retention_target and can be deleted by an administrator written event trigger.
Answer: D,E
NEW QUESTION 41
Which three are true about managing memory components in an Oracle database instance? (Choose three.)
- A. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.
- B. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
- C. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.
- D. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
- E. Automatic Memory Management must be used together with locking the System Global Area into physical memory.
- F. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.
Answer: A,C,F
NEW QUESTION 42
Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access common tables of the SALES_APP application.
Examine these steps:
1. Install the SALES_APP application, including the common tables, in the application root.
2. Install the SALES_APP application in the application root and the common tables in both the CDB root and the application root.
3. Create an application seed.
4. Install the SALES_APP application in the application seed.
5. Create the SALES_APP1 and SALES_APP2 application PDBs.
6. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application root.
7. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application seed.
8. Sync the application seed with the application root.
Which are the minimum required steps in the correct sequence?
- A. 2,5,6
- B. 1,3,5,7
- C. 1,3,5,6,7
- D. 3,4,1,6,8
- E. 1,5,6
Answer: E
NEW QUESTION 43
Examine this configuration:
1. The orcl database data files are in Automatic Storage Management (Oracle ASM) disk group +data.
2. orcl uses disk group +fra for the Fast Recovery Area.
3. listener is the listener for orcl.
4. The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5. All components are currently shut down.
You execute this command:
$ srvctl start database -d ORCL
What is the outcome?
- A. Only the orcl database instance is started.
- B. Only the orcl database instance and the +data and +fra disk groups are started.
- C. Only the orcl database instance, the Oracle ASM instance, and the +data and +fra disk groups are started.
- D. Only the orcl database and the ASM instances are started.
- E. The ORCL database, the Oracle ASM instances, the +data and +fra disk groups, and the listener are started.
Answer: E
NEW QUESTION 44
Which two are true about the character sets used in an Oracle database? (Choose two.)
- A. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).
- B. Single-byte character sets always use 8-bit encoding schemes.
- C. Single-byte character sets provide better performance than multibyte character sets.
- D. Single-byte character sets always use 7-bit encoding schemes.
- E. Unicode enables information from any language to be stored using a single character set.
- F. Multibyte character sets allow more efficient space utilization than single byte character sets.
Answer: C,E
NEW QUESTION 45
Which three are performed by Oracle Automatic Storage Management (ASM) instances? (Choose three.)
- A. mounting disk groups
- B. managing Allocation Units (AUs) for disk group content
- C. managing space allocation for Oracle ASM files
- D. acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)
- E. acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes
- F. managing extent allocation for Oracle database segments
Answer: A,B,C
NEW QUESTION 46
Which two are true about RMAN encryption? (Choose two.)
- A. Password encryption can be persistently configured using the CONFIGURE ENCRYPTIONcommand.
- B. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.
- C. RMAN can encrypt the Oracle Database password file.
- D. RMAN encryption keys are stored in a database keystore.
- E. The SET ENCRYPTIONcommand overrides encryption settings specified by the CONFIGURE ENCRYPTIONcommand.
Answer: B,E
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/BRADV/rcmconfa.htm#BRADV89476
NEW QUESTION 47
Which three are true about Database Point-in-Time Recovery?
- A. The database must be in archivelog mode.
- B. The database must have flashback database on to perform Database Point-in-Time Recovery.
- C. The database must be open resetlogs after Database Point-in-Time Recovery.
- D. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
- E. The target point for the recovery must be specified as a time or System Change Number (SCN).
- F. The database must be in mount state when performing Database Point-in-Time Recovery.
Answer: A,C,E
NEW QUESTION 48
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Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083
The following will be discussed in the ORACLE 1Z0-083 dumps pdf:
- Oracle Database: Administration Workshop
- Install Grid Infrastructure for a Standalone server
- Using Availability Enhancements
- Upgrade the Oracle Database
- Monitoring and Tuning Database Performance
- Upgrading to Oracle Grid Infrastructure
- Oracle Database 19c: New Features for Administrators
- Using General Overall Database Enhancements
- Oracle Restart
- Oracle Database 18c: New Features
Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083
The following will be discussed in the ORACLE 1Z0-083 dumps:
- Transporting Data - Oracle Database: Backup and Recovery Workshop
- Install Oracle Database software
- Perform Non RMAN database recovery
- Diagnose RMAN performance issues
- Patching Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
- Oracle Database 18c: New Features - Oracle Database: Deploy, Patch and Upgrade Workshop
- Restore and Recovering Databases with RMAN
- Interpret the RMAN message output
- Install Grid Infrastructure and Oracle Database - Oracle Database: Deploy, Patch and Upgrade Workshop
- Install Grid Infrastructure for a Standalone server
- RMAN Troubleshooting and Tuning - Oracle Database: Backup and Recovery Workshop
- Upgrading to Oracle Grid Infrastructure - Oracle Database: Deploy, Patch and Upgrade Workshop
- Transport Data
- Performing Recovery - Oracle Database: Backup and Recovery Workshop
- Patch Grid Infrastructure and Oracle Database
- Upgrade Oracle Grid Infrastructure
- Image and RPM based Database Installation
Understanding functional and technical aspects of Oracle Database Administration II Exam Number: 1Z0-083
The following will be discussed in the ORACLE 1Z0-083 dumps:
- Performance management in CDBs and PDBs
- Tuning SQL Statements
- Perform Backup and Recover CDBs and PDBs
- Duplicate an active PDB
- Duplicate a Database
- Configure and create a CDB
- Create a new PDB from the CDB seed
- Explore the structure of PDBs
- Manage CDBs and PDBs - Oracle Database: Managing Multitenant Architecture Ed 1
- Change the different modes and settings of PDBs
- Control CDB and PDB resource usage with the Oracle Resource Manager
- Manage PDB service names and connections
- Evaluate the impact of parameter value changes
- Manage startup, shutdown and availability of CDBs and PDBs
- Backup and Duplicate - Oracle Database: Managing Multitenant Architecture Ed 1
- Upgrade an Oracle Database
- Upgrading and Transporting CDBs and Regular PDBs - Oracle Database: Managing Multitenant Architecture
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